Construction of ihpRNA Expression Vector of MhVPE Gene from Malus hupehensis and Verification by Transgenic Arabidopsis thaliana EFFECTS OF SUPPRESSING OsCRY2 GENE EXPRESSION ON MAIN AGRONOMIC TRAITS OF RICE Construction of RNA Interference Vector Against Tobacco Mosaic Virus, Potato Virus M and Cucumber Mosaic Virus and Transformation in Pepino (Solanum muricatum Ait.) Construction of ihpRNA Expression Vectorof MsLEA3-1 Gene from Medicago sativa L. and Genetic Transformation in Tobacco Construction of ihpRNA Expression Vector of MhVPE Gene from Malus hupehensis and Verification by Transgenic Arabidopsis thaliana Construction of ihpRNA Expression Vector of Sugarcane Yellow Leaf Virus CP Protein Gene and Genetic Transformation in Tabacco Regeneration of Potato Plants Resistant to Cold Induced Sweetening via ihpRNA Technique